Adapted from Terence Rattigan’s 1952 play, Weisz plays the wife of a high court judge who leaves her husband to move in with a young ex-RAF pilot. Simon Russell Beale also stars, while Sean O’Connor and Kate Ogborn produce.

We and the audience who saw the film at its world premiere screening were entranced from the opening frames, and by the end there was an inescapable sense that we had witnessed a major work,” said Arentz.

The Deep Blue Sea” screens in competition at San Sebastian this week and is the closing night pic at the London Film Festival in October.